package com.imooc.operator;

public class MathTest {

	public static void main(String[] args) {
		int m = 10, n = 5;
		m += 3;
		n += 5;
		double p = (m + n) / 2;
		System.out.println(p);
		double q = (m * m) * (n * n);
		System.out.println(q);
	}

}
